Human Anatomy and Physiology › Help with Other Muscle Physiology
Which ion is quintessential for muscle contraction in skeletal muscle, but not in smooth muscle?
When measuring the heat generated by muscle contraction, there is an additional amount of heat, labelled as 'unexplained heat.'
What is the source of the 'unexplained heat' in the initial phase of muscle contraction?
A scientist is examining a sample of tissue taken from a skeletal muscle biopsy. Which of the following is most likely true of sample?
Three muscle cells are placed side by side.
In muscle cell 1, striations are clearly visible.
In muscle cell 2, striations are also present, with sharp discs periodically found along muscle fibers. Further examination shows gap junctions between adjacent cells.
In muscle cell 3, no striations are present.
Which of the three cells could have been sampled from the upper third of the esophagus?
Which of these muscles is responsible for flexing the forearm?
What process releases the myosin head from actin?
The length-tension relationship of active muscle is described as __________.
During fasting, blood sugar begins to drop as time from the last meal increases. As blood sugar drops and activity level increases, which of the following is most likely to happen in skeletal muscle tissue?
Glucose uptake into skeletal muscle is an example of which of the following?
Which function is performed by muscle cells?